Pinus serotina

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Pond pine
Pinus serotina USBG.jpg
Scientific classification e
Kingdom: Plantae
Division: Pinophyta
Class: Pinopsida
Order: Pinales
Family: Pinaceae
Genus: Pinus
Subgenus: P. subg. Pinus
Section: P. sect. Trifoliae
Subsection: P. subsect. Australes
Species: P. serotina
Binomial name
Pinus serotina
Michx.
Pinus serotina range map.png
Natural range

Pinus serotina, the pond pine, marsh pine or pocosin pine, is a tree found along the Southeastern portion of the Atlantic coastal plain of the United States, from southern New Jersey south to Florida and west to southern Alabama. This pine often has a crooked growth pattern and an irregular top and grows up to 21 metres (69 ft) high,[1] rarely to 29 metres (95 ft).[2]

The needles are in bundles of three or four, and 15–20 cm (6–8 in) long. The almost round cones are 5–8 cm (2–3 14 in) long with small prickles on the scales. Its cones are usually serotinous, requiring fire to open.[1] The pond pine is found in wet habitats near ponds, bays, swamps, and pocosins.[3]

The species name serotina is derived from the persistently unopened cones that may remain closed for several years before they release their seeds; the opening is often in response to forest fires.

At the north end of its range, it intergrades and hybridises with pitch pine (P. rigida); it is distinguished from that species by the longer needles and on average slightly larger cones. Some botanists treat pond pine as a subspecies of pitch pine.

References[edit]

  1. ^ a b Kral, Robert (1993). "Pinus serotina". In Flora of North America Editorial Committee. Flora of North America North of Mexico (FNA). 2. New York and Oxford – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA. 
  2. ^ Bramlett, David L. (1990). "Pinus serotina". In Burns, Russell M.; Honkala, Barbara H. Conifers. Silvics of North America. Washington, D.C.: United States Forest Service (USFS), United States Department of Agriculture (USDA). 1 – via Southern Research Station (www.srs.fs.fed.us). 
  3. ^ Moore, Gerry; Kershner, Bruce; Tufts, Craig; Mathews, Daniel; Nelson, Gil; Spellenberg, Richard; Thieret, John W.; Purinton, Terry; Block, Andrew (2008). National Wildlife Federation Field Guide to Trees of North America. New York: Sterling. p. 73. ISBN 1-4027-3875-7. 
  4. ^ Trees, Shrubs, and Woody Vines of North Carolina: Pond Pine (Pinus serotina)